<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Db;
use fast\Tree;

/**
 * 商品分類管理
 *
 * @icon fa fa-circle-o
 */
class GoodsCategory extends Backend
{
    
    /**
     * GoodsCategory模型对象
     * @var \app\admin\model\GoodsCategory
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\GoodsCategory;

    }

    public function import()
    {
        parent::import();
    }

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */
    /**
     * 查看
     */
    public function index($ids = null)
    {
        // 父级ID
        $pid = $ids?$ids:0;
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();
            $where = ['type'=>'1'];
            $list = db('goods_category')->field('*,parent_id as pid')->where($where)->where(['deletetime'=>null])->limit($offset, $limit)->order('weigh DESC,id ASC')->select();
            Tree::instance()->init($list);
            $list = Tree::instance()->getTreeList(Tree::instance()->getTreeArray(0), 'name');
            // dd()
            $total = db('goods_category')->where($where)->where(['deletetime'=>null])->count();
            $result = array("total" => $total, "rows" => $list);

            return json($result);
        }

        $this->assignconfig("ids", $pid);
        $this->assignconfig("goods_category_add_son", $this->auth->check("goods_category/add_son"));
        $this->assignconfig("goods_category_edit", $this->auth->check("goods_category/edit"));
        $this->assignconfig("goods_category_del", $this->auth->check("goods_category/del"));
        return $this->view->fetch();
    }

    /**
     * 添加
     */
    public function add($ids = 0)
    {
        if ($this->request->isPost()) {
            $params = $this->request->post("row/a");
            if ($params) {
                $params = $this->preExcludeFields($params);

                if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
                    $params[$this->dataLimitField] = $this->auth->id;
                }
                if ( $ids ) {
                    $params['parent_id'] = $ids;
                }
                $result = false;
                Db::startTrans();
                try {
                    //是否采用模型验证
                    if ($this->modelValidate) {
                        $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                        $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                        $this->model->validateFailException(true)->validate($validate);
                    }
                    $result = $this->model->allowField(true)->save($params);
                    $this->model->refresh_cat($this->model->id);
                    Db::commit();
                } catch (ValidateException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (PDOException $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                } catch (Exception $e) {
                    Db::rollback();
                    $this->error($e->getMessage());
                }
                if ($result !== false) {
                    $this->success();
                } else {
                    $this->error(__('No rows were inserted'));
                }
            }
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $this->view->assign("ids", $ids);
        return $this->view->fetch();
    }

    /**
     * 删除
     */
    public function del($ids = "")
    {
        if (!$this->request->isPost()) {
            $this->error(__("Invalid parameters"));
        }
        $ids = $ids ? $ids : $this->request->post("ids");
        if ($ids) {
            $pk = $this->model->getPk();
            $adminIds = $this->getDataLimitAdminIds();
            if (is_array($adminIds)) {
                $this->model->where($this->dataLimitField, 'in', $adminIds);
            }
            $list = $this->model->where($pk, 'in', $ids)->select();
            foreach ($list as $key => $value) {
                $count = $this->model->where(['parent_id'=>$value->id])->count();
                if ( $count ) {
                    $this->error('請先清除下級商品');
                }
            }

            $count = 0;
            Db::startTrans();
            try {
                foreach ($list as $k => $v) {
                    $count += $v->delete();
                }
                Db::commit();
            } catch (PDOException $e) {
                Db::rollback();
                $this->error($e->getMessage());
            } catch (Exception $e) {
                Db::rollback();
                $this->error($e->getMessage());
            }
            if ($count) {
                $this->success();
            } else {
                $this->error(__('No rows were deleted'));
            }
        }
        $this->error(__('Parameter %s can not be empty', 'ids'));
    }
    

}
